API Overview


Covalent provides the industry-leading Unified API bringing visibility to billions of Web3 data points.

Developers use Covalent to build exciting multi-chain applications like crypto wallets, NFT galleries, and investor dashboard tools utilizing data from 26+ blockchains. Covalent is trusted by a community of 15,000+ developers and 500+ applications including 0x, Zerion, Rainbow Wallet, Rotki, Bitski and many others.

Getting started with the Unified API
  1. Signup for a free API key.
  2. Try making a sample API request via
  3. Try building a wallet interface, a tax calculator or a NFT gallery using our read-made templates.
  4. Read the API Reference documentation for further customizations.
  5. Join one of our ongoing or upcoming hackathons.


Last modified: March 7, 2022: operator block (bcd13f8)